CAMPBELL BIOLOGY IN FOCUS 3RD EDITION
FINAL PAPER 2026 QUESTIONS WITH
ANSWERS GRADED A+
◉ Photosynthesis. Answer: Process of converting light energy from the
sun to chemical energy that's stored in sugar and other organic molecules
◉ Autotroph. Answer: Organisms that sustain themselves without eating
anything derived from other living beings
◉ Heterotroph. Answer: Organisms that are unable to make their own
food
◉ Decomposer. Answer: Organisms that feed on the remains of other
organisms and organic litter
◉ Mesophyll. Answer: Tissue in the interior of the leaf
◉ Stomata. Answer: Microscopic pores in the leaf, where CO2 enters
and O2 exits
, ◉ Stroma. Answer: Dense fluid of the chloroplast
◉ Thylakoid. Answer: Sacs in the chloroplast that separate the stroma
from the thylakoid space in the sacs
◉ Grana. Answer: Stacks of thylakoids
◉ Chlorophyll. Answer: Green pigment that gives leaves their color;
resides in the thylakoid membranes of the chloroplast
◉ Chemical equation for photosynthesis. Answer:
◉ Light reaction. Answer: First stage of photosynthesis during which
energy from light is used for the production of ATP
◉ Products of light reactions?. Answer: NADPH and ATP
◉ Calvin cycle. Answer: Second stage of photosynthesis in which C2
from CO2 are combined, using the energy in ATP and NADPH, to make
glucose
◉ Products of the Calvin cycle?. Answer: Glucose
FINAL PAPER 2026 QUESTIONS WITH
ANSWERS GRADED A+
◉ Photosynthesis. Answer: Process of converting light energy from the
sun to chemical energy that's stored in sugar and other organic molecules
◉ Autotroph. Answer: Organisms that sustain themselves without eating
anything derived from other living beings
◉ Heterotroph. Answer: Organisms that are unable to make their own
food
◉ Decomposer. Answer: Organisms that feed on the remains of other
organisms and organic litter
◉ Mesophyll. Answer: Tissue in the interior of the leaf
◉ Stomata. Answer: Microscopic pores in the leaf, where CO2 enters
and O2 exits
, ◉ Stroma. Answer: Dense fluid of the chloroplast
◉ Thylakoid. Answer: Sacs in the chloroplast that separate the stroma
from the thylakoid space in the sacs
◉ Grana. Answer: Stacks of thylakoids
◉ Chlorophyll. Answer: Green pigment that gives leaves their color;
resides in the thylakoid membranes of the chloroplast
◉ Chemical equation for photosynthesis. Answer:
◉ Light reaction. Answer: First stage of photosynthesis during which
energy from light is used for the production of ATP
◉ Products of light reactions?. Answer: NADPH and ATP
◉ Calvin cycle. Answer: Second stage of photosynthesis in which C2
from CO2 are combined, using the energy in ATP and NADPH, to make
glucose
◉ Products of the Calvin cycle?. Answer: Glucose
